Display screen or portion thereof with icon



The FIGURE is a front view of a display screen or portion thereof with an icon.

The outermost broken lines in the FIGURE illustrate a display screen or portion thereof and form no part of the claimed design. The other broken lines in the FIGURE illustrate portions of the graphical user interface and icon that form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 